CSMLS PRACTICE TEST 2
QUESTIONS AND ANSWERS
Which of the following chemicals can be used to reduce bacterial contamination in a
waterbath? - Correct Answers -Phenolic detergent
Which of the following first aid measures is initially performed on a person following a
superficial burn? - Correct Answers -Remove clothing surrounding burned area
A laboratory assistant witnesses a co-worker wearing open toed shoes and drops a
bottle on their foot resulting in injury. Later that week outside temperatures increase and
the laboratory assistant considers wearing sandals but upon further thought changes
their mind. What is this type of analysis called? - Correct Answers -Reflective practice
A blood tube arrives in the laboratory labelled only with the patient name. Which action
should be performed next? - Correct Answers -Reject specimen and request recollect
Which of the following benefits apply to point-of-care testing - Correct Answers -
Decreased turnaround time
Which of the following vascular structures has been selected if blood is filling tubes with
a pulsing action? - Correct Answers -Brachial artery
Which of the following features is an advantage of a linear automatic stainer? - Correct
Answers -Slides can be continuously loaded
Which of the following actions is taken when handling a specimen with legal
implications? - Correct Answers -Complete chain of custody document
Which of the following actions should be performed to achieve proper ergonomics when
working at a biological safety cabinet? - Correct Answers -Arrange materials to limit
twisting and reaching
Which of the following positive urine reagent strip tests correlate with a urinary tract
infection due to bacteria? - Correct Answers -Leukocyte and nitrite
Which of the following actions should be taken when changing the compressed gas
cylinder on a CO2 incubator? - Correct Answers -Secure cylinder firmly in an upright
position
, What anticoagulant is used for blood culture collection? - Correct Answers -SPS
What test is used to differentiate streptococci from staphylococci using 3% hyrogen
peroxide? - Correct Answers -Catalase
Which of the following actions is taken when a supervisor requests a laboratory
assistant from the microbiology department to cover staff shortage in the outpatient
department? - Correct Answers -Collaboration with colleagues to provide effective
patient care
Which of the following errors may cause a blood smear to appear as below? - Correct
Answers -Blood drop not allowed to spread
Which of the following steps should a laboratory assistant take when a technologist
indicates that the nuclear staining in an H&E slide is NOT crisp? - Correct Answers -
Ensure complete fixation of tissue
Which of the following institutions is responsible for communicating and enforcing
biosafety legislation? - Correct Answers -Public Health Agency of Canada
What unit of measure follows postprandial 22 on a requisition? - Correct Answers -h
Ingestion of which of the following substances may produce a false negative test result
for Fecal Occult Blood (FOB)? - Correct Answers -Vitamin C
Which of the following actions is a barrier to verbal communication? - Correct Answers -
Using unfamiliar terminology
Which of the following features is an advantage of using microwave staining ovens? -
Correct Answers -Reduces staining time
What weight of HCI (molecular weight 36.5 g) is needed to make 300 ml of a 4.8 M
solution? - Correct Answers -52.6
Which is the first reagent used when manually staining a slide with hematoxylin and
eosin? - Correct Answers -xylene
Which of the following situations is caused by vigorously mixing a blood specimen? -
Correct Answers -Hemolysis of cells
Which of the following blood collection tubes is ideally used for potassium analysis? -
Correct Answers -Lithium heparin
What is the next step after a specimen collected in sodium citrate is received for blood
group determination? - Correct Answers -Reject specimen
QUESTIONS AND ANSWERS
Which of the following chemicals can be used to reduce bacterial contamination in a
waterbath? - Correct Answers -Phenolic detergent
Which of the following first aid measures is initially performed on a person following a
superficial burn? - Correct Answers -Remove clothing surrounding burned area
A laboratory assistant witnesses a co-worker wearing open toed shoes and drops a
bottle on their foot resulting in injury. Later that week outside temperatures increase and
the laboratory assistant considers wearing sandals but upon further thought changes
their mind. What is this type of analysis called? - Correct Answers -Reflective practice
A blood tube arrives in the laboratory labelled only with the patient name. Which action
should be performed next? - Correct Answers -Reject specimen and request recollect
Which of the following benefits apply to point-of-care testing - Correct Answers -
Decreased turnaround time
Which of the following vascular structures has been selected if blood is filling tubes with
a pulsing action? - Correct Answers -Brachial artery
Which of the following features is an advantage of a linear automatic stainer? - Correct
Answers -Slides can be continuously loaded
Which of the following actions is taken when handling a specimen with legal
implications? - Correct Answers -Complete chain of custody document
Which of the following actions should be performed to achieve proper ergonomics when
working at a biological safety cabinet? - Correct Answers -Arrange materials to limit
twisting and reaching
Which of the following positive urine reagent strip tests correlate with a urinary tract
infection due to bacteria? - Correct Answers -Leukocyte and nitrite
Which of the following actions should be taken when changing the compressed gas
cylinder on a CO2 incubator? - Correct Answers -Secure cylinder firmly in an upright
position
, What anticoagulant is used for blood culture collection? - Correct Answers -SPS
What test is used to differentiate streptococci from staphylococci using 3% hyrogen
peroxide? - Correct Answers -Catalase
Which of the following actions is taken when a supervisor requests a laboratory
assistant from the microbiology department to cover staff shortage in the outpatient
department? - Correct Answers -Collaboration with colleagues to provide effective
patient care
Which of the following errors may cause a blood smear to appear as below? - Correct
Answers -Blood drop not allowed to spread
Which of the following steps should a laboratory assistant take when a technologist
indicates that the nuclear staining in an H&E slide is NOT crisp? - Correct Answers -
Ensure complete fixation of tissue
Which of the following institutions is responsible for communicating and enforcing
biosafety legislation? - Correct Answers -Public Health Agency of Canada
What unit of measure follows postprandial 22 on a requisition? - Correct Answers -h
Ingestion of which of the following substances may produce a false negative test result
for Fecal Occult Blood (FOB)? - Correct Answers -Vitamin C
Which of the following actions is a barrier to verbal communication? - Correct Answers -
Using unfamiliar terminology
Which of the following features is an advantage of using microwave staining ovens? -
Correct Answers -Reduces staining time
What weight of HCI (molecular weight 36.5 g) is needed to make 300 ml of a 4.8 M
solution? - Correct Answers -52.6
Which is the first reagent used when manually staining a slide with hematoxylin and
eosin? - Correct Answers -xylene
Which of the following situations is caused by vigorously mixing a blood specimen? -
Correct Answers -Hemolysis of cells
Which of the following blood collection tubes is ideally used for potassium analysis? -
Correct Answers -Lithium heparin
What is the next step after a specimen collected in sodium citrate is received for blood
group determination? - Correct Answers -Reject specimen
